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Archive for the ‘biotech/medical’ category: Page 282

Nov 13, 2023

Ceftriaxone-Related Encephalopathy in a Patient With End-Stage Renal Disease and High Ceftriaxone Concentrations in Cerebrospinal Fluid and Plasma: A Case Report

Posted by in category: biotech/medical

Nephrologists — know the CTRX encephalopathy risk in ESRD patients. This case of a hemodialysis patient found blood and CSF concentrations 10 times usual — dose adjustment may be needed. Monitor for neuro changes when using CTRX in renal failure. pharmacology.


Ceftriaxone (CTRX) does not require dose adjustment based on the renal function status and is used to treat infections. Recently, several studies reported the incidence of antibiotic-associated encephalopathy due to CTRX in patients with end-stage renal disease (ESRD). We experienced a case of CTRX-related encephalopathy in a patient on hemodialysis. When CTRX-related encephalopathy was discovered, the CTRX concentrations were measured in the blood and cerebrospinal fluid (CSF). The highest blood and CSF CTRX concentrations in this patient were 967 and 100.7 μg/mL, respectively, which were approximately 10 times higher than the CSF concentrations in a previously evaluated patient with CTRX encephalopathy. The concentration of CTRX may be increased in patients with ESRD. Hence, encephalopathy must be suspected in this patient group when CTRX is used.

Nov 13, 2023

This artificial heart uses magnets and spinning disks to reinvent the heart

Posted by in category: biotech/medical

The wait time for a heart transplant is long — from many months to over a year. Some patients will never get the transplant they need.

But researchers may have come up with an artificial heart solution: a titanium, pumpless, device with spinning magnets — and it looks nothing like a bonafide heart.

The problem: Heart failure affects over six million people every year in the U.S., and treatment options are slim. Medication can help, but some people need a heart transplant for a full recovery. Still, donor hearts are hard to come by. The number of people who need a heart far exceeds what’s available. And, donor hearts aren’t one-size-fits-all. The blood type and size need to be just right.

Nov 13, 2023

New drug-like molecule extends lifespan, ameliorates pathology in worms and boosts function in mammalian muscle cells

Posted by in categories: biotech/medical, life extension, neuroscience

Having healthy mitochondria, the organelles that produce energy in all our cells, usually portends a long healthy life whether in humans or in C. elegans, a tiny, short-lived nematode worm often used to study the aging process.

Researchers at the Buck Institute have identified a new drug-like molecule that keeps mitochondria healthy via mitophagy, a process that removes and recycles damaged mitochondria in multicellular organisms. The compound, dubbed MIC, is a that extended lifespan in C. elegans, ameliorated pathology in neurodegenerative disease models of C. elegans, and improved mitochondrial function in mouse muscle cells. Results are published in the November 13, 2023, edition of Nature Aging.

Defective mitophagy is implicated in many age-related diseases. It’s tied to neurodegenerative disorders such as Parkinson’s and Alzheimer’s; it plays a role in cardiovascular diseases including heart failure; it influences metabolic disorders including obesity and type 2 diabetes; it is implicated in muscle wasting and sarcopenia and has a complex relationship with cancer progression.

Nov 13, 2023

AI improves genome editing of microbes to produce renewable fuels

Posted by in categories: bioengineering, biotech/medical, chemistry, quantum physics, robotics/AI

The AI tools were complemented by quantum biology and bioengineering approaches.


Philip Gray/ORNL, U.S. Dept. of Energy.

Combining several advances.

Continue reading “AI improves genome editing of microbes to produce renewable fuels” »

Nov 13, 2023

How Regulatory T Cells Can Reduce Solid Tumors In Mice

Posted by in category: biotech/medical

Research on regulatory T cells is building towards a durable and long-lasting treatment for many solid cancers.

Nov 13, 2023

Interventions that reduce inflammation may reduce incidence of type 2 diabetes, cardiovascular disease

Posted by in category: biotech/medical

Canadian scientists have established for the first time a new mechanism and role for LDL in the development of type 2 diabetes, beyond its traditional role in the development of cardiovascular disease in humans.

Announced today for World Diabetes Day, the work was carried out by Université de Montréal professor May Faraj, director of the nutrition, lipoproteins and cardiometabolic diseases research unit at the Montreal Clinical Research Institute.

Her study, titled “Native low-density lipoproteins are priming signals of the NLRP3 inflammasome/interleukin1β pathway in human adipose tissue and macrophages,” is published in Scientific Reports.

Nov 13, 2023

CRISPR-broad: combined design of multi-targeting gRNAs and broad, multiplex target finding

Posted by in category: biotech/medical

In CRISPR-Cas and related nuclease-mediated genome editing, target recognition is based on guide RNAs (gRNAs) that are complementary to selected DNA regions. While single site targeting is fundamental for localized genome editing, targeting to expanded and multiple chromosome elements is desirable for various biological applications such as genome mapping and epigenome editing that make use of different fusion proteins with enzymatically dead Cas9. The current gRNA design tools are not suitable for this task, as these are optimized for defining single gRNAs for unique loci. Here, we introduce CRISPR-broad, a standalone, open-source application that defines gRNAs with multiple but specific targets in large continuous or spread regions of the genome, as defined by the user.

Nov 13, 2023

Telemedicine found to cure 90.7% of hepatitis C cases in 12 programs

Posted by in category: biotech/medical

“Our study demonstrates how telemedicine successfully integrates medical and behavioral treatment.”

The practice of providing medical services remotely via telecommunications technology is known as telemedicine.


I going to make a greatest artwork as I can, by my head, my hand and by my mind/iStock.

Continue reading “Telemedicine found to cure 90.7% of hepatitis C cases in 12 programs” »

Nov 13, 2023

New molecule promoting healthy mitochondria via mitophagy found

Posted by in categories: biotech/medical, life extension

Mitophagy-inducing compound (MIC), a natural compound in plants, may combat age-related diseases by promoting mitochondrial health through mitophagy.


Mohammed Haneefa Nizamudeen / iStock.

According to a statement by scientists, mitophagy is a process that removes and recycles damaged mitochondria in multicellular organisms.

Nov 13, 2023

Device generates oxygen inside the body by splitting water molecules

Posted by in category: biotech/medical

The device could one day be used for longer durations inside the body and used to power cells cells that target chronic diseases as well.


Ignatiev/iStock.

In 2021, the research team earned a $33 million contract from the Defense Advanced Research Projects Agency (DARPA) to develop an implantable “living pharmacy” to control the sleep and wake cycles inside the body. In this approach, researchers implant living cells inside the body that produce the necessary therapeutics, freeing the individual from taking medicines.

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